Today i installed firmware latest 4.1.1 jelly bean with the instructions provided by ramos.cn
I have one major problem with the one of it: the screen is always moving from side to side upside down and it cannot enter into android os.
I cannot go back to the previous firmware with it my tablet worked fine.
can you tell me the way to flash the previous firmware 20121109
Thks from Greece and happy new year.
I attach the photos with the problem...